January Weather in Letham, United Kingdom

Last updated: August 27, 2025

In Letham, United Kingdom, the average temperature in January hovers around 4°C (39°F). During this time, temperatures can dip as low as -5°C (24°F) and can reach a maximum of 13°C (55°F). Expect approximately 45 mm (1.8 in) of precipitation over 10 days, accompanied by a high average humidity of 89%.

January Temperature in Letham

In January in Letham, the average temperature is 4°C (39°F). The maximum can reach 13°C (55°F) and the minimum can be as low as -5°C (24°F). Be sure to pack warm clothing and be prepared for chilly weather if you're planning a visit during this time.

January Weather in Letham: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Letham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Letham, January typically has an average temperature of 4°C (39°F), with highs reaching up to 13°C (55°F) and lows dropping to around -5°C (24°F).

Data source: Temperature data for Letham generated using information from the Copernicus Climate Change Service.

January Precipitation in Letham

In Letham in January, the precipitation amount is 45 mm (1.8 in) spread over a duration of 10 days.

January Precipitation Trends in Letham

The chart displays monthly precipitation patterns in Letham, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Letham, January typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Letham

In Letham in January humidity is 89%. With an average temperature of 4°C (39°F), this humidity feels like an uninviting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers of clothing to fend off the dampness.

January Average Humidity in Letham

This chart illustrates the average monthly humidity levels in Letham, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Letham is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Letham

In Letham in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Letham.

Maximum UV Index Levels in Letham for January

The chart shows the monthly maximum UV Index (UVI) for Letham in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Letham typically reaches 1, which falls under the low exposure category.

Data source: Letham January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Letham Compares to Other Months

Weather in Letham varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Letham, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Letham, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	45 mm (1.8 inches)	89%	low
February Weather	4°C (40°F)	88 mm (3.5 inches)	88%	low
March Weather	5°C (42°F)	72 mm (2.8 inches)	86%	moderate
April Weather	7°C (45°F)	37 mm (1.4 inches)	84%	moderate
May Weather	10°C (50°F)	79 mm (3.1 inches)	82%	high
June Weather	13°C (56°F)	71 mm (2.8 inches)	84%	very high
July Weather	15°C (59°F)	86 mm (3.4 inches)	86%	high
August Weather	14°C (58°F)	86 mm (3.4 inches)	86%	high
September Weather	12°C (55°F)	67 mm (2.6 inches)	90%	moderate
October Weather	9°C (49°F)	102 mm (4.0 inches)	91%	moderate
November Weather	6°C (44°F)	91 mm (3.6 inches)	92%	low
December Weather	4°C (40°F)	84 mm (3.3 inches)	88%	low